Home/CVE/A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bound access in ext4_get_group_
CVE

CVE-2018-10881

A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bound access in ext4_get_group_

A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bound access in ext4_get_group_info function, a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image.

MEDIUM · CVSS 4.2 EPSS 0.00049
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

8
canonical ubuntu linuxall versions
debian linuxall versions
linux kernel< 4.17.6
redhat enterprise linux desktopall versions
redhat enterprise linux for real timeall versions
redhat enterprise linux for real time for nfvall versions
redhat enterprise linux serverall versions
redhat enterprise linux workstationall versions
⚠

Public Exploits & PoCs

1
pocbugzilla.kernel.org · show_bug.cgi?id=200015bugzilla.kernel.org
▣

Scoring & Timeline

4.2
MEDIUM · CVSS v3.0 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 Jul 2018 · 06:29 PM
CVSS VectorCVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

20
suse-csafSUSE-SU-2018:2908-2
suse-csafSUSE-SU-2018:3083-1
suse-csafSUSE-SU-2018:3084-1
suse-csafSUSE-SU-2018:2908-1
suse-csafSUSE-SU-2018:2858-1
🔗

References & Sources

11
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://patchwork.ozlabs.org/patch/929792/PatchThird Party Advisory
http://www.securityfocus.com/bid/104901Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10881Issue TrackingPatchThird Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6e8ab72a812396996035a37e5ca4b3b99b5d214bPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00020.htmlMailing ListThird Party Advisory
https://usn.ubuntu.com/3752-1/Third Party Advisory
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